Update Document - $setOnInsert

Function Build

Build $setOnInsert with the SetOnInsert function from the update package.

// bson.D{bson.E{Key:"$setOnInsert", Value:bson.D{bson.E{Key:"created_at", Value:time.Now()}}}}
result := update.SetOnInsert("created_at", time.Now())

Method Build (Builder)

Build $setOnInsert with the SetOnInsert method from update.NewBuilder().

// bson.D{bson.E{Key:"$setOnInsert", Value:bson.D{bson.E{Key:"created_at", Value:time.Now()}}}}
result := update.NewBuilder().
    SetOnInsert("created_at", time.Now()).
    Build()